﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using Budgeter.Models;
using System.Configuration;
using System.Data.Entity;
using Budgeter.DummyData;
using Budgeter.Helpers;

namespace Budgeter
{
    // Note: For instructions on enabling IIS6 or IIS7 classic mode, 
    // visit http://go.microsoft.com/?LinkId=9394801

    public class MvcApplication : System.Web.HttpApplication
    {
        public static void RegisterGlobalFilters(GlobalFilterCollection filters)
        {
            // Disable friendly error handling so AppHarbor logs the errors
            //filters.Add(new HandleErrorAttribute());
        }

        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                "Simple",
                "{id}",
                new { controller = "Budget", action = "Edit" },
                new { id = @"^[\d\s-]+$" }  // Match any combination of numbers, dashes and spaces
            );

            routes.MapRoute(
                "Default", // Route name
                "{controller}/{action}/{id}", // URL with parameters
                new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults
            );

        }

        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();

            RegisterGlobalFilters(GlobalFilters.Filters);
            RegisterRoutes(RouteTable.Routes);
        }

        protected void Application_BeginRequest()
        {
            // This is only here during dev so I don't need to stop the server all the time - should be in Init or Start
            MaybeMigrateDatabase();
            using (var db = BudgeterContextHelper.OpenBudgeterContextFromAppConfig())
            {
                DummyBudgetGenerator.MaybePopulate(db);
            }
        }

        private void MaybeMigrateDatabase()
        {
            var settings = ConfigurationManager.ConnectionStrings["Budgeter"];
            string connectionString = settings.ConnectionString;
            string providerName = settings.ProviderName;
            Budgeter.Migrations.DatabaseMigrator.Migrate(providerName, connectionString);
        }
    }
}